During the first three or so days after your baby is born, he will pass black, tarry stools (meconium). This is normal. The stools will slowly become lighter in color, less sticky and become more liquid.
If you see blood in your baby's stools, call your baby's health care provider
Allina Health's Patient Education Department, Beginnings: Pregnancy, Birth and Beyond, seventh edition, ob-ah-90026
Allina Health's Patient Education Department experts